Numeração de borda

Also known as KeyKode, KeyCode, Kodak Keykode, Kodak Keycode

right|thumb|400px|A scanned image of Keykode from a piece of unexposed, developed 35 mm movie film|35 mm [[Eastman Kodak motion picture color negative. All of these slices are from the same side of the same piece of negative, cropped and stacked for simplicity. (A) Human-readable Keykode number (the number to the far right advances by one for each 16 frames of 35 mm film or 20 frames of 16 mm film). Next to that is the same information in USS-128 Barcode machine-readable language. (B) Further down the film (within the 16 frames) is the film identifier information and date symbol (C) Other-use